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Full text of "Treatise On Applied Analytical Chemistry(Vol-1)"

334

PYRIDINE

Test 2 : the weight of the precipitate obtained with cadmium chloride should
not be less than 0-025 gram.

Test 3 :   ammonia absent.

Test 4 : at least 50 c.c. should distil below 140 and not less than 90 c.c.
below 160 (including the preceding amount).

Test 5 : should mix completely with water and give a clear or barely opales-
cent solution.

Test 6 : the layer of pyridine bases separating should occupy at least 18-5 c.c.

Test 7 : not less than 9-5 c.c. N-sulphuric acid should be used.

 water